document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=18663>Question 18663</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't know how to solve this two logic proofs, please help!<BR>\n" );
document.write( "(A&#8594;B)&#8594;A &#9500; A<BR>\n" );
document.write( "and<BR>\n" );
document.write( "&#9500; (A&#8594;B) v (A&#8594; ¬B) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8982 by </B><A HREF=/tutors/aboutme.mpl?userid=khwang><B>khwang(438)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=khwang><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=8982\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  (A&#8594;B)&#8594;A &#9500; A<BR>\n" );
document.write( "and<BR>\n" );
document.write( "&#9500; (A&#8594;B) v (A&#8594; ¬B)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " Since not everybody are siiting in the same class and using the same<BR>\n" );
document.write( " book as you,you  should clarify the meaning of your notations and<BR>\n" );
document.write( " repost here.\r<BR>\n" );
document.write( "\n" );
document.write( "Kenny </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );